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CC BY-NC-ND 2020

Smoldering peat fire emits a hazy smoke over a tropical forest
Posted inNews

Starting (and Stopping) a Fire to Study It

by Michael Allen 10 February 202016 March 2022

Fire experiments on peatlands in Southeast Asia have identified previously unknown emissions patterns and could point to ways to detect these smoldering fires before they become too big to fight.

Charts showing ENSO cycles
Posted inEditors' Highlights

Oceanic Mixing Influences Development of ENSO Cycle

by J. Sprintall 7 February 202016 September 2022

Changes in oceanic turbulence act to regulate the sea surface temperature during the evolution of the El Niño Southern Oscillation cycle.

Three scientists, one digging a hole, sample soil from a dry valley in Antarctica.
Posted inNews

Antarctic Ice Cores Might Be Older Than Dirt

by J. Hendricks 6 February 20203 November 2022

Using cosmogenic nuclide dating, scientists determined a 10-meter core just below the surface to be over a million years old.

Cross section of a rock consisting of fossilized cyanobacteria
Posted inNews

Dust in the Atmosphere May Have Fertilized the Ancient Ocean

Rachel Crowell, Science Writer by Rachel Crowell 5 February 202017 February 2023

New research investigates dust’s role in primary production during the Carboniferous and Permian periods.

Charts relating to the results presented in Kim et al. [2019]
Posted inEditors' Highlights

Emerging Controversy in Madden-Julian Oscillation Prediction

by C. Zhang 5 February 20206 March 2023

The Quasi-Biennial Oscillation modulates the Madden-Julian Oscillation in observations, but it does not significantly influence prediction skills in a multi-model assessment.

Undergraduate researchers prepare to take radiation measurements during their expedition to the Greenland Ice Sheet last June.
Posted inScience Updates

Seeing the Greenland Ice Sheet Through Students’ Eyes

by Chelsea E. Snide, Lydia Gilbert, Abigail Meyer, Perry Samson, Mark Flanner and Jeremy Bassis 4 February 20205 October 2021

A team of students and faculty advisers revisited the site of pioneering geosciences expeditions from the 1920s, looking to introduce young researchers to polar science.

Man in a wetsuit holds a cross section of a tree while standing in a lake.
Posted inNews

How the Cold Climate Shaped Scotland’s Political Climate

Richard Sima, freelance science writer by Richard J. Sima 4 February 20203 March 2023

Tree rings reveal how severe cold and political isolation brought disaster to Scotland, inspired a colonization effort in Panama, and helped drive union with England.

Images from the cover of the AGU journal Tectonics
Posted inEditors' Vox

Editorial Handover at Tectonics

by T. Schildgen and J. Geissman 4 February 20207 April 2023

The outgoing and incoming Editors in Chief of Tectonics reflect on recent years of growth and expansion in the journal while they ponder and plan for the challenges ahead.

Various charts relating to the data in this paper
Posted inEditors' Highlights

Remotely Monitoring Groundwater Using Standard Techniques

by G. P. Hayes 3 February 202013 January 2022

Novel use of standard, single-station seismological techniques can be used to remotely monitor aquifer systems.

Anthropologists set up a total station to study a Khmer city complex.
Posted inNews

Poor Water Management Implicated in Failure of Ancient Khmer Capital

Rachel Fritts, Science Writer by Rachel Fritts 3 February 20203 November 2022

Researchers used remote sensing technologies to map Koh Ker’s buried reservoir and calculate its capacity to hold water during the rainy season.

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Research Spotlights

Early Apes Evolved in Tropical Forests Disturbed by Fires and Volcanoes

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Editors' Highlights

Coverage Factors Affect Urban CO2 Monitoring from Space

12 June 202512 June 2025
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Rising Concerns of Climate Extremes and Land Subsidence Impacts

9 June 20254 June 2025
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